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Journal of Optometry

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https://www.readbyqxmd.com/read/30396858/how-frequently-should-asymptomatic-patients-be-dilated-20-year-results
#1
Paul Varner
No abstract text is available yet for this article.
November 2, 2018: Journal of Optometry
https://www.readbyqxmd.com/read/30393001/in-vivo-assessment-of-the-anterior-scleral-contour-assisted-by-automatic-profilometry-and-changes-in-conjunctival-shape-after-miniscleral-contact-lens-fitting
#2
Rute Juliana Macedo-de-Araújo, Eef van der Worp, José Manuel González-Méijome
PURPOSE: To compare the shape of the anterior sclera of candidates to scleral lens (ScCL) fitting with regular and irregular corneas and analyze the changes induced in the shape of the sclero-conjunctiva after ScCL wear. METHODS: Thirty-five eyes of 18 subjects (19 eyes with irregular corneas and 16 with regular corneas) were consecutively recruited. Three measures of sclero-conjunctival shape were taken with Eye Surface Profiler (ESP, Eaglet Eye, Houten, The Netherlands)...
November 1, 2018: Journal of Optometry
https://www.readbyqxmd.com/read/30391111/characterization-of-optical-performance-with-defocusing-curve-analysis-of-two-refractive-intraocular-lens-models-with-high-and-medium-addition
#3
Jorge A Calvo-Sanz, Miguel A Sánchez-Tena
PURPOSE: To characterize the optical performance of two models of refractive bifocal intraocular lenses, with medium and high addition, using defocus curves. METHODS: 20 eyes from 20 subjects were included in this study. 10 eyes underwent caratact surgery with an implant of a medium addition refractive bifocal intraocular lens (IOL) (Lentis LS-313 MF20) and the other 10 eyes underwent cataract surgery with an implant of a high addition refractive bifocal IOL (Lentis LS-313 MF30)...
October 31, 2018: Journal of Optometry
https://www.readbyqxmd.com/read/30389250/clinical-evaluation-of-an-automated-subjective-refraction-method-implemented-in-a-computer-controlled-motorized-phoropter
#4
Carles Otero, Mikel Aldaba, Jaume Pujol
PURPOSE: To investigate a new algorithm to perform an automated non-cycloplegic refraction in adults. METHODS: Fifty healthy subjects were measured twice (test-retest) with the new automated subjective refraction method and with the conventional clinician subjective refraction procedure. Objective refraction was also measured with the Grand Seiko WAM-5500 autorefractor. The new automated method was inspired on the root finding bisection algorithm and on the Euclidean distances in the power vector domain...
October 30, 2018: Journal of Optometry
https://www.readbyqxmd.com/read/30377086/retinal-glial-changes-in-alzheimer-s-disease-a-review
#5
REVIEW
José A Fernández-Albarral, Elena Salobrar-García, Rebeca Martínez-Páramo, Ana I Ramírez, Rosa de Hoz, José M Ramírez, Juan J Salazar
Alzheimer's disease (AD) is a neurodegenerative dementia characterized by the deposition of extracellular β-amyloid (Aβ) plaques and the presence of neurofibrillary tangles. Until now, the techniques used to analyze these deposits have been difficult to access, invasive, and expensive. This leads us to consider new access routes to the central nervous system (CNS), allowing us to diagnose the disease before the first symptoms appear. Recent studies have shown that microglial and macroglial cell activation could play a role in the development of this disease...
October 27, 2018: Journal of Optometry
https://www.readbyqxmd.com/read/30377085/comparison-of-macular-retinal-sensitivity-and-its-contribution-to-the-foveal-sensitivity-between-diabetic-and-non-diabetic-patients-with-normal-visual-acuity
#6
Selma Alin Somilleda-Ventura, Guillermo Manuel Ceballos-Reyes, Virgilio Lima-Gómez
PURPOSE: To compare the retinal sensitivity and evaluate its contribution to the foveal sensitivity in patients with and without diabetes who maintain normal visual acuity. METHODS: Observational, descriptive, cross-sectional and prospective study in 20 subjects without diabetes (group 1) and 23 with type 2 diabetes mellitus (group 2) that had no ocular abnormalities. Retinal sensitivity was measured with the macular threshold test by the Humphrey's computerized perimeter...
October 27, 2018: Journal of Optometry
https://www.readbyqxmd.com/read/30341026/an-eyelid-warming-device-for-the-management-of-meibomian-gland-dysfunction
#7
William Ngo, Sruthi Srinivasan, Lyndon Jones
PURPOSE: To determine the effectiveness of the MGDRx EyeBag in managing meibomian gland dysfunction. METHODS: This was a prospective, randomized, controlled, observer-masked, bilateral eye study that enrolled 29 participants. Participants were randomized into either the EyeBag group or the control group. The EyeBag group used the EyeBag 10minutes 2x/day, and the control group remained on their own dry eye treatment regimen (if applicable). All participants were observed at baseline, 2 weeks (2wk) and 4 weeks (4wk)...
October 16, 2018: Journal of Optometry
https://www.readbyqxmd.com/read/30077596/pharmacology-without-drugs
#8
Jesús Pintor
No abstract text is available yet for this article.
October 2018: Journal of Optometry
https://www.readbyqxmd.com/read/30017867/customary-practices-in-the-monitoring-of-dry-eye-disease-in-sjogren-s-syndrome
#9
Mira Acs, Barbara Caffery, Melissa Barnett, Charles Edmonds, Larisa Johnson-Tong, Richard Maharaj, Bart Pemberton, Dominik Papinski, Jennifer Harthan, Sruthi Srinivasan
PURPOSE: Diagnostic testing for dry eye disease (DED) in Sjogren's syndrome (SS) is well described. Little is published about monitoring this systemic autoimmune DED. We analyzed the SS related DED tests used in North American optometric practices and compared academic settings to private practice settings. METHODS: A retrospective chart review of 123 SS charts from 6 optometric practices in North America was conducted. Testing done during the first examination following a SS diagnosis was recorded on Research Electronic Data Capture (REDCap) database...
October 2018: Journal of Optometry
https://www.readbyqxmd.com/read/30017866/the-eyelash-follicle-features-and-anomalies-a-review
#10
REVIEW
Sarah Aumond, Etty Bitton
The primary role of eyelashes is to protect and maintain the health of the lid margin. However, the mechanisms to fulfill this role are not fully understood. Unraveling these mechanisms will stand to greatly improve the efficiency of eye care professionals' interventions in anomalies of the eyelashes. The aim of this article is to provide a review on eyelashes including highlights and new avenues for research; the biology of both the lash and its follicle; the pathophysiology and management of lash anomalies by eye care professionals; and the effect of iatrogenic factors on lashes...
October 2018: Journal of Optometry
https://www.readbyqxmd.com/read/29699948/immediate-effect-of-a-tear-enhancer-and-meibomian-gland-expression-on-the-corneal-surface-and-whole-eye-higher-order-aberrations
#11
Giancarlo Montani, Paul J Murphy, Sudi Patel
PURPOSE: To investigate changes in higher order ocular aberrations (HOA) induced by the administration of 0.15% sodium hyaluronate tear enhancer (TE) and meibomian gland expression (ME) on the tear film of normal subjects. METHODS: HOA values were obtained from the corneal surface (CS) and whole eye (WE), using a corneal topographer and Shack-Hartmann aberrometer, from both eyes of 50 subjects (25 females, mean age±sd 32.5±11.0 years, and 25 males, 33.88±11.2 years) for two pupil sizes (3 and 6mm) in a dark environment...
October 2018: Journal of Optometry
https://www.readbyqxmd.com/read/29650469/expanding-the-traditional-role-of-optometry-current-practice-patterns-and-attitudes-to-enhanced-glaucoma-services-in-ireland
#12
Catriona Barrett, James Loughman
PURPOSE: To investigate current diagnostic equipment availability and usage for glaucoma case-finding within community optometric practice, and to explore optometrists' attitudes towards an enhanced scope of clinical practice. METHODS: An anonymous survey was developed, validated, and distributed to all optometrists in Ireland. RESULTS: 199 optometrists (27% of registrants) responded to the survey. 87% had access to the traditional triad of tests necessary to conduct adequate glaucoma case finding...
October 2018: Journal of Optometry
https://www.readbyqxmd.com/read/29526690/validation-of-refraction-and-anterior-segment-parameters-by-a-new-multi-diagnostic-platform-vx120
#13
Ariela Gordon-Shaag, David P Piñero, Cyril Kahloun, David Markov, Tzadok Parnes, Liat Gantz, Einat Shneor
BACKGROUND: The VX120 (Visionix Luneau, France) is a novel multi-diagnostic platform that combines Hartmann-Shack based autorefraction, Placido-disk based corneal-topography and anterior segment measurements made with a stationary-Scheimpflug camera. We investigate the agreement between different parameters measured by the VX120 with accepted or gold-standard techniques to test if they are interchangeable, as well as to evaluate the repeatability and reproducibility. METHODS: The right-eyes of healthy subjects were included in the study...
October 2018: Journal of Optometry
https://www.readbyqxmd.com/read/29339120/symmetry-of-peripheral-retinal-nonperfusion-in-diabetic-retinopathy-by-ischemic-index
#14
Ashley M Speilburg, Bruce Teitelbaum, Yi Pang, Shaun Ittiara
PURPOSE: Diabetic retinopathy is the leading cause of blindness among working-age adults in most developed countries. It affects eyes bilaterally and is generally believed to be symmetrical, yet there are few studies evaluating the symmetry of diabetic retinopathy. The purpose of the present study was to evaluate the symmetry of the amount of peripheral retinal ischemia in patients with diabetic retinopathy. METHODS: Ultra-widefield fluorescein angiography images were obtained on both eyes of 54 subjects, mean age 56...
October 2018: Journal of Optometry
https://www.readbyqxmd.com/read/29337016/tear-instability-importance-mechanisms-validity-and-reliability-of-assessment
#15
REVIEW
Charles W Mcmonnies
PURPOSE: To examine the factors which contribute to tear stability and the validity and reliability of methods used for assessing tear break up time which is a core part of an examination of tear stability in dry eye patients. METHODS: A review of publications which are relevant to tear stability and its assessment. RESULTS: Tear break up time may be more invasive than intended if difficulty avoiding blinking during assessment results in reflex tearing...
October 2018: Journal of Optometry
https://www.readbyqxmd.com/read/30037645/high-speed-recording-of-thermal-load-during-laser-trans-epithelial-corneal-refractive-surgery-using-a-750hz-ablation-system
#16
Diego De Ortueta, Samuel Arba-Mosquera, Thomas Magnago
PURPOSE: To evaluate the temperature rise of human cornea during trans-epithelial photorefractive keratectomy (trans-PRK) with a 750Hz excimer laser employing Intelligent Thermal Effect Control (ITEC) software. METHODS: In this observational case series, trans-PRK ablation was performed on 5 eyes of 3 patients using an aspheric profile of a 750Hz excimer laser system. A high-resolution infrared camera with a frame-rate of 350 images per second was used to determine the corneal surface temperature...
July 20, 2018: Journal of Optometry
https://www.readbyqxmd.com/read/30301515/milestones-in-the-development-of-spanish-optometry
#17
César Villa-Collar
No abstract text is available yet for this article.
July 2018: Journal of Optometry
https://www.readbyqxmd.com/read/29292240/the-effect-of-spherical-aberration-on-visual-performance-and-refractive-state-for-stimuli-and-tasks-typical-of-night-viewing
#18
Iván Marín-Franch, Renfeng Xu, Arthur Bradley, Larry N Thibos, Norberto López-Gil
PURPOSE: The aim of this work was to examine the impact of Seidel spherical aberration (SA) on optimum refractive state for detecting and discriminating small bright lights on a dark background. METHODS: An adaptive-optics system was used to correct ocular aberrations of cyclopleged eyes and then systematically introduce five levels of Seidel SA for a 7-mm diameter pupil: 0,±0.18, and±0.36diopters (D)mm-2 . For each level of SA, subjects were required to detect one or resolve two points of light (0...
July 2018: Journal of Optometry
https://www.readbyqxmd.com/read/29198488/measuring-the-heterophoria-agreement-between-two-methods-in-non-presbyopic-and-presbyopic-patients
#19
Mario Cantó-Cerdán, Pilar Cacho-Martínez, Ángel García-Muñoz
PURPOSE: To establish whether the cover test and von Graefe methods are interchangeable in a non-presbyopic and presbyopic population. METHODS: We performed a prospective study on a sample of 127 non-presbyopic subjects between 20 and 45 years old and 56 presbyopic between 40 and 78 years old. Distance and near vision phoria were measured using the von Graefe method (VG) and cover test (CT). We analyzed the significant differences between methods, their correlation and the agreement between them using the Bland and Altman method...
July 2018: Journal of Optometry
https://www.readbyqxmd.com/read/29174394/visual-and-binocular-status-in-elementary-school-children-with-a-reading-problem
#20
Lisa W Christian, Krithika Nandakumar, Patricia K Hrynchak, Elizabeth L Irving
PURPOSE: This descriptive study provides a summary of the binocular anomalies seen in elementary school children identified with reading problems. METHODS: A retrospective chart review of all children identified with reading problems and seen by the University of Waterloo, Optometry Clinic, from September 2012 to June 2013. RESULTS: Files of 121 children (mean age 8.6 years, range 6-14 years) were reviewed. No significant refractive error was found in 81% of children...
July 2018: Journal of Optometry
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